a satellite with sensors to detect nuclear explosions
spy satellite 例句
英汉例句
Still using choppers!? Time to move over to spy satellite surveillance. Ask ISRO to make and launch a couple. Time to use space research experience to practical defense applications.
It destroyed an errant spy satellite that still had a full load of a toxic propellant called hydrazine, and was in danger of spilling it over an inhabited area when it re-entered the atmosphere.